I have no idea why each element of your form has the same name and the same ID (and ID is most likely redundant), but the reason why the textarea displays nothing is because your coding was incorrect. The below should work.

[!--quoteo(post=387421:date=Jun 24 2006, 02:09 PM:name=AndyB)--][div class=\'quotetop\']QUOTE(AndyB @ Jun 24 2006, 02:09 PM) [/div][div class=\'quotemain\'][!--quotec--]
I have no idea why each element of your form has the same name and the same ID (and ID is most likely redundant), but the reason why the textarea displays nothing is because your coding was incorrect. The below should work.